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CBSE->Std 9 Questions

Total Questions 1962
Find the product of [4 a +3/7 a square]and[7 a square-a square] and verify the result for a=-2.
Find the product, [7 x square+4 x y][0.2 x +3 y]
Please give 2 paragraphs about why early marriage is not good for the couple.
Explain the sources of pollution ?
Explain the sources of water pollution?
Explain the sources of air pollution?
Explain the sources of air pollution?
What is cloning?
A fraction is such that the numerator is 2 less than the denominator.If 3 is added to the numerator and 5 to the denominator the fraction becomes 3/5.Find the fraction.
The angles of a triangle are in the ratio 3:7:8.find the angles.
Find three consecutive numbers such that four times the first plus twice the second minus five times the third number is zero.
what is water budget?
WHAT IS A PRONOUN
how to make a historical album?
who all are the cabinet ministers in indian parliment? list all which has changed last days.
what is phonetics?how to transfer an english word into phonetics?give 10 examples
Do plastics decompose?
WHAT IS THE AGE OFSUN AND EARTH?
On the map of India, locate the centers of different crafts today. Find out when these centers came up.
How can you create a worksheet in MS Excel?